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LTM2881IY-3
+BOMDG ISO 2.5KV 2CH RS422 32-BBGA
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Nhà sản xuấtCông ty Analog Devices Inc.
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Ông. Phần #LTM2881IY-3
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Bảng dữ liệu LTM2881IY-3 DataSheet
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Series | µModule® |
| PartStatus | Active |
| Technology | Magnetic Coupling |
| Type | RS422, RS485 |
| IsolatedPower | Yes |
| NumberofChannels | 2 |
| Inputs-Side1/Side2 | 1/1 |
| ChannelType | Unidirectional |
| Voltage-Isolation | 2500Vrms |
| CommonModeTransientImmunity(Min) | 30kV/µs |
| DataRate | 20Mbps |
| Voltage-Supply | 3V ~ 3.6V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 32-BBGA Module |
| SupplierDevicePackage | 32-BGA (15x11.25) |
| BaseProductNumber | LTM2881 |
Tổng quan
Description
Key features of the LTM2881IY-3 include:
1. Isolated Interface: It offers an isolated RS-485/RS-422 transceiver, providing robust communication over long distances.
2. Integrated DC/DC Converter: Supplies power to the isolated side, eliminating the need for an external power supply.
3. High Data Rates: Supports data rates up to 20 Mbps, suitable for high-speed applications.
4. Safety and Immunity: Provides reinforced isolation for up to 2500 VRMS, ensuring safety in high-voltage environments.
5. Wide Operating Range: Functions effectively over a wide temperature range, making it suitable for various industrial settings.
Overall, the LTM2881IY-3 is ideal for applications requiring secure, reliable, and high-speed isolated data communication.
Equivalent
Features
1. Isolation: Provides up to 2500VRMS isolation, separating the logic level and field-side interfaces.
2. Integrated Power: Includes an isolated power supply, eliminating the need for a separate power source for the isolated side.
3. Data Rates: Supports data rates up to 20Mbps, making it suitable for high-speed communication.
4. Full-Duplex Operation: Capable of full-duplex communication, supporting both RS485 and RS422 protocols.
5. Robustness: Includes ±15kV ESD protection on the transceiver interface.
6. Easy Implementation: Comes in a compact BGA package, simplifying PCB layout and reducing design complexity.
7. Wide Temperature Range: Operates over a temperature range of -40°C to +85°C.
8. Fail-Safe Operation: Features fail-safe receiver operation, ensuring predictable behavior under fault conditions.
9. Low EMI: Designed to minimize electromagnetic interference, improving system reliability.
These features make the LTM2881IY-3 well-suited for industrial, automotive, and communication applications requiring robust isolation and reliable data transmission.
Pinout
Key functions of the LTM2881IY-3 include:
1. Isolation: Provides 2500VRMS isolation for the RS485/RS422 data lines and power, protecting against ground loops and common-mode voltages.
2. Power Supply: Incorporates an isolated DC/DC converter to supply power to the isolated side of the device.
3. Communication: Supports full-duplex differential communication compatible with RS485/RS422 standards.
4. Data Integrity: Features fail-safe receiver inputs to ensure a stable output in the presence of an open or shorted input.
This combination of features makes the LTM2881IY-3 suitable for industrial, medical, and data communication applications requiring isolation and reliable data transmission.